Base | Representation |
---|---|
bin | 101001101000100… |
… | …1110101110100111 |
3 | 10121100202020222201 |
4 | 1103101032232213 |
5 | 10330114310303 |
6 | 350343035331 |
7 | 46422344143 |
oct | 12321165647 |
9 | 3540666881 |
10 | 1397025703 |
11 | 6576480a7 |
12 | 32ba3bb47 |
13 | 193579a38 |
14 | d377a223 |
15 | 829a881d |
hex | 5344eba7 |
1397025703 has 2 divisors, whose sum is σ = 1397025704. Its totient is φ = 1397025702.
The previous prime is 1397025701. The next prime is 1397025709. The reversal of 1397025703 is 3075207931.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1397025703 - 21 = 1397025701 is a prime.
Together with 1397025701, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1397025701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698512851 + 698512852.
It is an arithmetic number, because the mean of its divisors is an integer number (698512852).
Almost surely, 21397025703 is an apocalyptic number.
1397025703 is a deficient number, since it is larger than the sum of its proper divisors (1).
1397025703 is an equidigital number, since it uses as much as digits as its factorization.
1397025703 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 39690, while the sum is 37.
The square root of 1397025703 is about 37376.8070198619. The cubic root of 1397025703 is about 1117.8961629768.
The spelling of 1397025703 in words is "one billion, three hundred ninety-seven million, twenty-five thousand, seven hundred three".
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